Detects objects using smartphone's magnetic sensor. Displays magnetic field strength in microtesla. Cannot detect non-ferrous metals like silver, gold, or copper.
Measure levels using iPhone camera to calculate luminosity in Lux. Track exposure during waking hours and before bed. Help optimize sleep quality by monitoring ambient conditions.
View district maps and identify your legislative district. Access contact information and office locations for local representatives. Submit feedback and track legislative activity. Receive updates on upcoming town halls and community events.
Use a compass to determine direction and rotate based on magnetic north. Save and lock compass readings. Analyze real-world locations with eight宅风水 to assess auspiciousness.
